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Novay_Z [31]
2 years ago
11

(8 - 20 divided by 2) Explain.

Mathematics
1 answer:
Norma-Jean [14]2 years ago
3 0
8-20/2
8-(20/2)
8-(10)
-2

Answer: -2
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A rectangle length was 4 feet longer than triple the length of it width
wlad13 [49]
Length is 48 ft

The perimeter of a rectangle is equal to the sum of all side’s.
2(lengths)+2(widths)= perimeter
Length=3x+4
Now given the perimeter of 140
3(3x+4)+3(x)=140
9x+12+3x=140
12x+12=140
12x=128
X= 10.7
10.7 is the width

Length=3x+4
Length =3(10.6)+4
Length=31.8+4
Length=35.8
Answer = 35.8
This can only be answered if you were given a perimeter.
4 0
3 years ago
In the year 2012, 12% of the residents of the US moved to a different residence. Suppose that several
balandron [24]

Answer:

Approximately normal

Step-by-step explanation:

4 0
3 years ago
The ratio of men to women working for a company is 3 to 4. If there are 112 employees total, how many work for the company ​
Ksenya-84 [330]

Answer:

112

Since you stated 112 employees work for the company, and your question was how many work for the company, it is definetly

112.

6 0
3 years ago
Read 2 more answers
This is due today, and I have no idea what I'm doing, please help if you know anything.
defon

Binomial distribution formula: P(x) = (n  k) p^k * (1 - p)^n - k

a) Probability that four parts are defective = 0.01374

P(4 defective) = (25 4) (0.04)^4 * (0.96)^21

P(4 defective) = 0.01374

b) Probability that at least one part is defective = 0.6396

Find the probability that 0 parts are defective and subtract that probability from 1.

P(0 defective) = (25 0) (0.04)^0 * (0.96)^25

P(0 defective) = 0.3604

1 - 0.3604 = 0.6396

c) Probability that 25 parts are defective = approximately 0

P(25 defective) = (25 25) (0.04)^25 * (0.96)^0

P(25 defective) = approximately 0

d) Probability that at most 1 part is defective = 0.7358

Find the probability that 0 and 1 parts are defective and add them together.

P(0 defective) = 0.3604 (from above)

P(1 defective) = (25 1) (0.04)^1 * (0.96)^24

P(1 defective) = 0.3754

P(at most 1 defective) = 0.3604 + 0.3754 = 0.7358

e) Mean = 1 | Standard Deviation = 0.9798

mean = n * p

mean = 25 * 0.04 = 1

stdev = \sqrt{np(1-p)}

stdev = \sqrt{(25)(0.04)(1-0.04)} = 0.9798

Hope this helps!! :)

7 0
3 years ago
What is the value of the underlined digit in 56.123? one is underlined
Blizzard [7]
The value is 0.1 or \frac{1}{10}, since it is in the tenths place.
5 0
3 years ago
Read 2 more answers
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